四级词组短语1.1be well worth doing sth值得的far from一点都不a couple of 两三个get access to 获得keep up with跟上feel like doing sth想要give up放弃come across偶然遇上reap the benefits of得到好处tradefor用换participate in参加now that由于reach out to接触play a role in起作用be aware of对清楚in addition另外reflect on考虑，深思allow for顾及1.2blast forth突然响起along with一道turn on开turn off关turn up增大turn down减小over and over一次次reach for伸手去抓as well as还有as usual与往常一样that much那么burst in
